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        <title>Experiments file format</title>
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        <h1>PPI experiment data</h1>
        There is a significant conceptual difference between the experimental
data and interaction data (discussed in the previous section). For the
interaction data we assume that in each species two proteins can be
connected by an interaction and this happens with a certain
probability (confidence level). In case of the experimental data,
there may be multiple cases in which an interaction was observed
(multiple publications). An interaction (from the interaction data)
could also not be observed in any particular experiment for a given
species, but still have a non-zero probability  based on experimental
evidence in other species. Providing experimental interactions is
optional. <br /> <br />
Experimentally identified PPI should be loaded in TAB delimited format. Each line should provide the following four fields for one
particular interaction:<br />
<i>proteinName1 proteinName2 speciesName experimentID</i>


        <h1>Example</h1>
YLR363C	YMR080C	sc	7883168<br>
YIL061C	YMR080C	sc	7883168<br>
YMR190C	YBR114W	sc	9253198<br>
YBR114W	YMR190C	sc	9253198<br>
YBR217W	YPL149W	sc	9759731<br>
YPL149W	YBR217W	sc	9759731<br>
FBgn0004837	FBgn0004647	dm	8749394<br>
FBgn0004647	FBgn0004837	dm	8749394<br>
FBgn0010417	FBgn0000617	dm	8598927<br>
FBgn0000617	FBgn0010417	dm	8598927<br>
FBgn0035371	FBgn0039055	dm	15710747<br>
FBgn0004922	FBgn0000463	dm	15710747<br>
...<br>

The interactions from the same experiment will have the same color in
the visualizations. The tool-tip interface additionally provides the experiment
id (e.g. PUBMED ID) for each interaction.
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